Severe Weather

Thursday, April 4: Medical Marijuana

Medical marijuana is coming to Massachusetts. And if you want to get a look at what's in the state's future, there's no better place to go than the Mile High city. Tonight, Heather Unruh travels to Denver to witness what's a 200 million dollar-a-year industry, featuring row after row of green plants growing in nondescript warehouse grow farms that are hidden for security. And we'll see how one Massachusetts business is already dipping its toes into this brave new world.